73916380 has 48 divisors (see below), whose sum is σ = 162217440. Its totient is φ = 28263168.

The previous prime is 73916377. The next prime is 73916393. The reversal of 73916380 is 8361937.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42814 + ... + 44506.

It is an arithmetic number, because the mean of its divisors is an integer number (3379530).

Almost surely, 2^73916380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73916380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81108720).

73916380 is an abundant number, since it is smaller than the sum of its proper divisors (88301060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73916380 is a wasteful number, since it uses less digits than its factorization.

73916380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798 (or 1796 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 73916380 is about 8597.4635794518. The cubic root of 73916380 is about 419.6754484386.

The spelling of 73916380 in words is "seventy-three million, nine hundred sixteen thousand, three hundred eighty".